1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gpu/ipc/service/image_transport_surface.h"
#include <memory>
#include "gpu/ipc/service/child_window_surface_win.h"
#include "gpu/ipc/service/pass_through_image_transport_surface.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/gl/gl_bindings.h"
#include "ui/gl/gl_implementation.h"
#include "ui/gl/gl_surface_egl.h"
#include "ui/gl/init/gl_factory.h"
#include "ui/gl/vsync_provider_win.h"
namespace gpu {
// static
scoped_refptr<gl::GLSurface> ImageTransportSurface::CreateNativeSurface(
base::WeakPtr<ImageTransportSurfaceDelegate> delegate,
SurfaceHandle surface_handle,
gl::GLSurfaceFormat format) {
DCHECK_NE(surface_handle, kNullSurfaceHandle);
scoped_refptr<gl::GLSurface> surface;
if (gl::GetGLImplementation() == gl::kGLImplementationEGLGLES2 &&
gl::GLSurfaceEGL::IsDirectCompositionSupported()) {
scoped_refptr<ChildWindowSurfaceWin> egl_surface(
new ChildWindowSurfaceWin(delegate, surface_handle));
surface = egl_surface;
// TODO(stanisc): http://crbug.com/659844:
// Force DWM based gl::VSyncProviderWin provider to avoid video playback
// smoothness issues. Once that issue is fixed, passing a nullptr
// vsync_provider would result in assigning a default VSyncProvider inside
// the Initialize call.
std::unique_ptr<gfx::VSyncProvider> vsync_provider(
new gl::VSyncProviderWin(surface_handle));
if (!egl_surface->Initialize(std::move(vsync_provider)))
return nullptr;
} else {
surface = gl::init::CreateViewGLSurface(surface_handle);
if (!surface)
return nullptr;
}
return scoped_refptr<gl::GLSurface>(
new PassThroughImageTransportSurface(delegate, surface.get()));
}
} // namespace gpu
|
